Preauricular Cysts and Ear Cysts

Preauricular sinus/cysts are caused by an embryological hillocks fusion abnormality when the outer ear is formed around 8-12 week intrauterine life. It is a common problem in many individuals and is estimated that up to 3% of the population may have the sinuses in the upper part of the ear (superior part of the auricle). … Read more Preauricular Cysts and Ear Cysts